Alpine Astronomical Baader 3.5/4nm f/3 Ultra-High-Speed Filter Set CMOS-Optimized (2")

BH #ALFCSMSU2 • MFR #FCSETMSU-2
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Alpine Astronomical Baader 3.5/4nm f/3 Ultra-High-Speed Filter Set CMOS-Optimized (2")
Key Features
  • 3-Filter Set: H-alpha, O-III, and S-II
  • For f/3.4 to f/2.3 Optical Systems
  • CMOS-Optimized and Suitable for CCDs
  • Reflex-Blocker / Life-Coat
The 2" Baader 3.5/4nm f/3 Ultra-High-Speed Filter Set from Alpine Astronomical features three precision-grade filters recommended for extremely fast optical systems from f/3.4 to f/2.3. The set includes H-alpha, O-III, and S-II filters optimized for use with CMOS sensor cameras and suitable for CCD sensors.
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